A network technician has detected duplicate IP addresses on the network. After testing the behavior of rogue DHCP servers, the technician believes that the issue is related to an unauthorized home router. Which of the following should the technician do NEXT in the troubleshooting methodology?
A. Document the findings and action taken.
B. Establish a plan to locate the rogue DHCP server.
C. Remove the rogue DHCP server from the network.
D. Identify the root cause of the problem.